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    • 5. 发明授权
    • Ultrasound for locating anatomy or probe guidance
    • 用于定位解剖或探针指导的超声
    • US09579120B2
    • 2017-02-28
    • US13574738
    • 2011-01-28
    • F. William Mauldin, Jr.Francesco ViolaWilliam F. Walker
    • F. William Mauldin, Jr.Francesco ViolaWilliam F. Walker
    • A61B8/00A61B17/34A61B8/08
    • A61B17/3403A61B8/0841A61B8/42A61B8/4254A61B8/4281A61B17/3401A61B46/10A61B2017/3413A61B2034/2048A61B2090/378
    • A hand-held apparatus can be used to assist in guiding a probe or locating a particular anatomical target in a subject. The apparatus can include an ultrasonic transducer located on or within a housing and configured to generate ultrasonic energy directed into tissue of a subject and configured to receive a portion of the ultrasonic energy reflected by a target located within the tissue. In an example, the apparatus can include a motion tracking circuit configured to provide information indicative of a motion of the hand-held apparatus to the processor circuit, and a display configured to present information about a location of the target with respect to a portion of the hand-held apparatus, the information about the location determined by the processor circuit using the obtained information indicative of the ultrasonic energy reflected by the target and the information indicative of the motion of the hand-held apparatus.
    • 可以使用手持式装置来帮助引导探针或将特定解剖学靶定位在受试者中。 该装置可以包括位于壳体上或壳体内的超声波换能器,其被配置为产生被引导到对象的组织中的超声波能量,并被配置为接收由位于组织内的靶反射的超声能量的一部分。 在一个示例中,该装置可以包括运动跟踪电路,其被配置为向处理器电路提供指示手持设备的运动的信息;以及显示器,被配置为呈现关于目标的位置相对于 手持设备,使用所获得的指示由目标反射的超声能量的信息和由表示手持设备的运动的信息由处理器电路确定的位置的信息。
    • 8. 发明授权
    • Reduction of echo decorrelation facilitating motion estimation
    • 减少回波去相关促进运动估计
    • US08306293B2
    • 2012-11-06
    • US12467216
    • 2009-05-15
    • William F. WalkerFrancesco ViolaWilliam F. Mauldin, Jr.
    • William F. WalkerFrancesco ViolaWilliam F. Mauldin, Jr.
    • G06K9/00G06K9/40
    • G06K9/0051G01S7/52034G01S7/52042G01S7/52046G01S13/58G01S13/89G01S15/58G01S15/8977G01S15/8979G06K9/6247
    • Methods systems and computer readable media are provided for extracting information pertaining to at least one moving target. A set of signal data are inputted to a principal components processor, wherein the set of signal data comprise signal data corresponding to at least one waveform acquired from the at least one moving target. A complex representation of the set of signal data is formed and, using a principal components processor, at least one complex principal component of the complex representation is calculated. At least one of the calculated complex principal components is automatically selected and each of the at least one automatically selected complex principal component is applied to extract information about the at least one moving target. Methods systems and computer readable media are provided extracting information pertaining to at least one moving target. A set of signal data comprising signal data corresponding to at least one waveform acquired from the at least one moving target are inputted to a principal components processor. A complex representation of the set of signal data is formed, and at least one complex principal component of the complex representation is calculated. An estimated value of a physical characteristic of the at least one moving, target is then calculated, using a phase of at least one of the at least one complex principal components.
    • 提供方法系统和计算机可读介质用于提取与至少一个移动目标有关的信息。 一组信号数据被输入到主要部件处理器,其中该组信号数据包括对应于从至少一个移动目标获得的至少一个波形的信号数据。 形成该组信号数据的复数表示,并且使用主成分处理器来计算复数表示的至少一个复主体分量。 自动选择所计算的复杂主成分中的至少一个,并且应用所述至少一个自动选择的复合主成分中的每一个以提取关于所述至少一个移动目标的信息。 提供方法系统和计算机可读介质提取与至少一个移动目标有关的信息。 包括与从至少一个移动目标获取的至少一个波形对应的信号数据的一组信号数据被输入到主要部件处理器。 形成该组信号数据的复数表示,并计算该复数表示的至少一个复数主分量。 然后使用所述至少一个复杂主成分中的至少一个的相位来计算所述至少一个移动目标的物理特性的估计值。
    • 10. 发明申请
    • Systems and Method for Adaptive Beamforming for Image Reconstruction and/or Target/Source Localization
    • 用于图像重构和/或目标/源定位的自适应波束成形的系统和方法
    • US20100142781A1
    • 2010-06-10
    • US11992368
    • 2006-09-19
    • William F. WalkerFrancesco Viola
    • William F. WalkerFrancesco Viola
    • G06K9/00
    • G01S7/52046G01S7/52026G01S7/5205G01S7/52052G01S15/8977
    • Methods, systems and computer readable media for reconstruction of target locations and amplitudes from signals received from one or more real targets in a space are provided, wherein the signals are at least one of signals received from the near-field and broadband signals. The space is modeled as a region of interest, and an array manifold matrix is calculated from signals received from hypothetical targets in the region of interest. One or more signal vectors received from the one or more real targets are reshaped into a data vector. A hypothetical target configuration is identified that, when applied to a signal model comprising the array manifold matrix, matches the data vector, a reconstruction vector is calculated. The reconstruction vector is reshaped into a reconstructed representation of the real targets in the space, and at least one of outputting the reconstructed representation for viewing by a user, and storing the reconstructed representation for later use are performed.
    • 提供了用于从从空间中的一个或多个实际目标接收的信号重构目标位置和幅度的方法,系统和计算机可读介质,其中所述信号是从近场和宽带信号接收的信号中的至少一个。 该空间被建模为感兴趣的区域,并且根据从感兴趣区域中的假想目标接收的信号计算阵列歧管矩阵。 从一个或多个实际目标接收到的一个或多个信号向量重新形成数据向量。 识别出假设的目标配置,当应用于包括阵列歧管矩阵的信号模型时,与数据矢量匹配,计算重构矢量。 将重构矢量重新形成为空间中的真实目标的重建表示,并且执行输出用于观看的重建表示中的至少一个,并且存储用于稍后使用的重构表示。